71660050 has 72 divisors (see below), whose sum is σ = 169207920. Its totient is φ = 22327200.

The previous prime is 71660047. The next prime is 71660089. The reversal of 71660050 is 5006617.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a junction number, because it is equal to n+sod(n) for n = 71659997 and 71660024.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 25621 + ... + 28279.

It is an arithmetic number, because the mean of its divisors is an integer number (2350110).

Almost surely, 2^71660050 is an apocalyptic number.

71660050 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

71660050 is an abundant number, since it is smaller than the sum of its proper divisors (97547870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71660050 is a wasteful number, since it uses less digits than its factorization.

71660050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2696 (or 2684 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 71660050 is about 8465.2259272863. The cubic root of 71660050 is about 415.3609865301.

Adding to 71660050 its reverse (5006617), we get a palindrome (76666667).

The spelling of 71660050 in words is "seventy-one million, six hundred sixty thousand, fifty".